My Friend's Little Sister

Emma Swan (18) is David Nolan's little sister. She was brought into their family was she was only two and David was six.
Killian Jones (22) is David Nolan's college best friend. He and David were college roommates.
Killian goes to David's wedding in Storybrooke he meets Emma and they both just cant keep their eyes off one another.
What happens when Killian moves to town?
What happens when Emma and Killian start to feel something?
What happens when David finds out?
Find out in... My Friend's Little Sister.